Home / 5,053.60-7,539.80-4,499.20

Finding the Fourth Proportional to 5,053.60, 7,539.80 and 4,499.20

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Solution

The fourth proportional to 5,053.60, 7,539.80 and 4,499.20 is: 6,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.60 : 7,539.80 = 4,499.20 : x
  2. Step 2: Convert to fraction form
    5,053.60/7,539.80 = 4,499.20/x
  3. Step 3: Cross multiply
    5,053.60x = 7,539.80 × 4,499.20
  4. Step 4: Simplify right side
    5,053.60x = 33,923,068.16
  5. Step 5: Solve for x
    x = 33,923,068.16/5,053.60
  6. Step 6: Final answer
    x = 6,712.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.