Home / 7,500.48-10,342.80-6,442.08

Finding the Fourth Proportional to 7,500.48, 10,342.80 and 6,442.08

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Solution

The fourth proportional to 7,500.48, 10,342.80 and 6,442.08 is: 8,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.48 : 10,342.80 = 6,442.08 : x
  2. Step 2: Convert to fraction form
    7,500.48/10,342.80 = 6,442.08/x
  3. Step 3: Cross multiply
    7,500.48x = 10,342.80 × 6,442.08
  4. Step 4: Simplify right side
    7,500.48x = 66,629,145.02
  5. Step 5: Solve for x
    x = 66,629,145.02/7,500.48
  6. Step 6: Final answer
    x = 8,883.32

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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.