Home / 7,840.20-10,819.47-4,303.34

Finding the Fourth Proportional to 7,840.20, 10,819.47 and 4,303.34

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Solution

The fourth proportional to 7,840.20, 10,819.47 and 4,303.34 is: 5,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.20 : 10,819.47 = 4,303.34 : x
  2. Step 2: Convert to fraction form
    7,840.20/10,819.47 = 4,303.34/x
  3. Step 3: Cross multiply
    7,840.20x = 10,819.47 × 4,303.34
  4. Step 4: Simplify right side
    7,840.20x = 46,559,824.33
  5. Step 5: Solve for x
    x = 46,559,824.33/7,840.20
  6. Step 6: Final answer
    x = 5,938.60

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.