Home / 5,320.48-7,343.76-3,458.08

Finding the Fourth Proportional to 5,320.48, 7,343.76 and 3,458.08

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Solution

The fourth proportional to 5,320.48, 7,343.76 and 3,458.08 is: 4,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.48 : 7,343.76 = 3,458.08 : x
  2. Step 2: Convert to fraction form
    5,320.48/7,343.76 = 3,458.08/x
  3. Step 3: Cross multiply
    5,320.48x = 7,343.76 × 3,458.08
  4. Step 4: Simplify right side
    5,320.48x = 25,395,309.58
  5. Step 5: Solve for x
    x = 25,395,309.58/5,320.48
  6. Step 6: Final answer
    x = 4,773.12

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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.