Home / 6,448.02-8,898.57-3,615.18

Finding the Fourth Proportional to 6,448.02, 8,898.57 and 3,615.18

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Solution

The fourth proportional to 6,448.02, 8,898.57 and 3,615.18 is: 4,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.02 : 8,898.57 = 3,615.18 : x
  2. Step 2: Convert to fraction form
    6,448.02/8,898.57 = 3,615.18/x
  3. Step 3: Cross multiply
    6,448.02x = 8,898.57 × 3,615.18
  4. Step 4: Simplify right side
    6,448.02x = 32,169,932.29
  5. Step 5: Solve for x
    x = 32,169,932.29/6,448.02
  6. Step 6: Final answer
    x = 4,989.12

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Double scale
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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.