Home / 7,840.10-10,819.30-4,303.37

Finding the Fourth Proportional to 7,840.10, 10,819.30 and 4,303.37

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Solution

The fourth proportional to 7,840.10, 10,819.30 and 4,303.37 is: 5,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.10 : 10,819.30 = 4,303.37 : x
  2. Step 2: Convert to fraction form
    7,840.10/10,819.30 = 4,303.37/x
  3. Step 3: Cross multiply
    7,840.10x = 10,819.30 × 4,303.37
  4. Step 4: Simplify right side
    7,840.10x = 46,559,451.04
  5. Step 5: Solve for x
    x = 46,559,451.04/7,840.10
  6. Step 6: Final answer
    x = 5,938.63

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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.