Home / 6,931.92-10,397.76-1,737.72

Finding the Fourth Proportional to 6,931.92, 10,397.76 and 1,737.72

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Solution

The fourth proportional to 6,931.92, 10,397.76 and 1,737.72 is: 2,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.92 : 10,397.76 = 1,737.72 : x
  2. Step 2: Convert to fraction form
    6,931.92/10,397.76 = 1,737.72/x
  3. Step 3: Cross multiply
    6,931.92x = 10,397.76 × 1,737.72
  4. Step 4: Simplify right side
    6,931.92x = 18,068,395.51
  5. Step 5: Solve for x
    x = 18,068,395.51/6,931.92
  6. Step 6: Final answer
    x = 2,606.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.