Home / 9,050.08-12,490.04-5,221.86

Finding the Fourth Proportional to 9,050.08, 12,490.04 and 5,221.86

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Solution

The fourth proportional to 9,050.08, 12,490.04 and 5,221.86 is: 7,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.08 : 12,490.04 = 5,221.86 : x
  2. Step 2: Convert to fraction form
    9,050.08/12,490.04 = 5,221.86/x
  3. Step 3: Cross multiply
    9,050.08x = 12,490.04 × 5,221.86
  4. Step 4: Simplify right side
    9,050.08x = 65,221,240.27
  5. Step 5: Solve for x
    x = 65,221,240.27/9,050.08
  6. Step 6: Final answer
    x = 7,206.70

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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.