Home / 7,840.06-10,818.78-4,302.52

Finding the Fourth Proportional to 7,840.06, 10,818.78 and 4,302.52

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Solution

The fourth proportional to 7,840.06, 10,818.78 and 4,302.52 is: 5,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.06 : 10,818.78 = 4,302.52 : x
  2. Step 2: Convert to fraction form
    7,840.06/10,818.78 = 4,302.52/x
  3. Step 3: Cross multiply
    7,840.06x = 10,818.78 × 4,302.52
  4. Step 4: Simplify right side
    7,840.06x = 46,548,017.33
  5. Step 5: Solve for x
    x = 46,548,017.33/7,840.06
  6. Step 6: Final answer
    x = 5,937.20

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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.