Home / 8,445.02-12,663.19-4,935.80

Finding the Fourth Proportional to 8,445.02, 12,663.19 and 4,935.80

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Solution

The fourth proportional to 8,445.02, 12,663.19 and 4,935.80 is: 7,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.02 : 12,663.19 = 4,935.80 : x
  2. Step 2: Convert to fraction form
    8,445.02/12,663.19 = 4,935.80/x
  3. Step 3: Cross multiply
    8,445.02x = 12,663.19 × 4,935.80
  4. Step 4: Simplify right side
    8,445.02x = 62,502,973.20
  5. Step 5: Solve for x
    x = 62,502,973.20/8,445.02
  6. Step 6: Final answer
    x = 7,401.16

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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.