Home / 9,389.12-14,079.36-4,457.28

Finding the Fourth Proportional to 9,389.12, 14,079.36 and 4,457.28

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Solution

The fourth proportional to 9,389.12, 14,079.36 and 4,457.28 is: 6,683.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.12 : 14,079.36 = 4,457.28 : x
  2. Step 2: Convert to fraction form
    9,389.12/14,079.36 = 4,457.28/x
  3. Step 3: Cross multiply
    9,389.12x = 14,079.36 × 4,457.28
  4. Step 4: Simplify right side
    9,389.12x = 62,755,649.74
  5. Step 5: Solve for x
    x = 62,755,649.74/9,389.12
  6. Step 6: Final answer
    x = 6,683.87

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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.