Home / 7,685.43-10,598.90-5,031.87

Finding the Fourth Proportional to 7,685.43, 10,598.90 and 5,031.87

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Solution

The fourth proportional to 7,685.43, 10,598.90 and 5,031.87 is: 6,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.43 : 10,598.90 = 5,031.87 : x
  2. Step 2: Convert to fraction form
    7,685.43/10,598.90 = 5,031.87/x
  3. Step 3: Cross multiply
    7,685.43x = 10,598.90 × 5,031.87
  4. Step 4: Simplify right side
    7,685.43x = 53,332,261.78
  5. Step 5: Solve for x
    x = 53,332,261.78/7,685.43
  6. Step 6: Final answer
    x = 6,939.40

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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.