Home / 9,031.08-12,472.64-6,205.92

Finding the Fourth Proportional to 9,031.08, 12,472.64 and 6,205.92

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Solution

The fourth proportional to 9,031.08, 12,472.64 and 6,205.92 is: 8,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.08 : 12,472.64 = 6,205.92 : x
  2. Step 2: Convert to fraction form
    9,031.08/12,472.64 = 6,205.92/x
  3. Step 3: Cross multiply
    9,031.08x = 12,472.64 × 6,205.92
  4. Step 4: Simplify right side
    9,031.08x = 77,404,206.03
  5. Step 5: Solve for x
    x = 77,404,206.03/9,031.08
  6. Step 6: Final answer
    x = 8,570.87

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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.