Home / 8,500.19-12,726.63-4,331.21

Finding the Fourth Proportional to 8,500.19, 12,726.63 and 4,331.21

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Solution

The fourth proportional to 8,500.19, 12,726.63 and 4,331.21 is: 6,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.19 : 12,726.63 = 4,331.21 : x
  2. Step 2: Convert to fraction form
    8,500.19/12,726.63 = 4,331.21/x
  3. Step 3: Cross multiply
    8,500.19x = 12,726.63 × 4,331.21
  4. Step 4: Simplify right side
    8,500.19x = 55,121,643.49
  5. Step 5: Solve for x
    x = 55,121,643.49/8,500.19
  6. Step 6: Final answer
    x = 6,484.76

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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.