Home / 7,343.88-10,129.50-6,129.18

Finding the Fourth Proportional to 7,343.88, 10,129.50 and 6,129.18

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Solution

The fourth proportional to 7,343.88, 10,129.50 and 6,129.18 is: 8,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.88 : 10,129.50 = 6,129.18 : x
  2. Step 2: Convert to fraction form
    7,343.88/10,129.50 = 6,129.18/x
  3. Step 3: Cross multiply
    7,343.88x = 10,129.50 × 6,129.18
  4. Step 4: Simplify right side
    7,343.88x = 62,085,528.81
  5. Step 5: Solve for x
    x = 62,085,528.81/7,343.88
  6. Step 6: Final answer
    x = 8,454.05

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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.