Home / 4,378.76-6,569.13-1,457.18

Finding the Fourth Proportional to 4,378.76, 6,569.13 and 1,457.18

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Solution

The fourth proportional to 4,378.76, 6,569.13 and 1,457.18 is: 2,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.76 : 6,569.13 = 1,457.18 : x
  2. Step 2: Convert to fraction form
    4,378.76/6,569.13 = 1,457.18/x
  3. Step 3: Cross multiply
    4,378.76x = 6,569.13 × 1,457.18
  4. Step 4: Simplify right side
    4,378.76x = 9,572,404.85
  5. Step 5: Solve for x
    x = 9,572,404.85/4,378.76
  6. Step 6: Final answer
    x = 2,186.10

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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.