Home / 6,257.60-9,386.40-5,577.20

Finding the Fourth Proportional to 6,257.60, 9,386.40 and 5,577.20

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Solution

The fourth proportional to 6,257.60, 9,386.40 and 5,577.20 is: 8,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.60 : 9,386.40 = 5,577.20 : x
  2. Step 2: Convert to fraction form
    6,257.60/9,386.40 = 5,577.20/x
  3. Step 3: Cross multiply
    6,257.60x = 9,386.40 × 5,577.20
  4. Step 4: Simplify right side
    6,257.60x = 52,349,830.08
  5. Step 5: Solve for x
    x = 52,349,830.08/6,257.60
  6. Step 6: Final answer
    x = 8,365.80

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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.