Home / 6,417.20-8,856.24-3,585.60

Finding the Fourth Proportional to 6,417.20, 8,856.24 and 3,585.60

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Solution

The fourth proportional to 6,417.20, 8,856.24 and 3,585.60 is: 4,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.20 : 8,856.24 = 3,585.60 : x
  2. Step 2: Convert to fraction form
    6,417.20/8,856.24 = 3,585.60/x
  3. Step 3: Cross multiply
    6,417.20x = 8,856.24 × 3,585.60
  4. Step 4: Simplify right side
    6,417.20x = 31,754,934.14
  5. Step 5: Solve for x
    x = 31,754,934.14/6,417.20
  6. Step 6: Final answer
    x = 4,948.41

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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.