Home / 6,931.50-10,397.34-2,001.20

Finding the Fourth Proportional to 6,931.50, 10,397.34 and 2,001.20

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Solution

The fourth proportional to 6,931.50, 10,397.34 and 2,001.20 is: 3,001.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.50 : 10,397.34 = 2,001.20 : x
  2. Step 2: Convert to fraction form
    6,931.50/10,397.34 = 2,001.20/x
  3. Step 3: Cross multiply
    6,931.50x = 10,397.34 × 2,001.20
  4. Step 4: Simplify right side
    6,931.50x = 20,807,104.82
  5. Step 5: Solve for x
    x = 20,807,104.82/6,931.50
  6. Step 6: Final answer
    x = 3,001.82

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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.