Home / 9,775.20-14,657.40-3,925.20

Finding the Fourth Proportional to 9,775.20, 14,657.40 and 3,925.20

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Solution

The fourth proportional to 9,775.20, 14,657.40 and 3,925.20 is: 5,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.20 : 14,657.40 = 3,925.20 : x
  2. Step 2: Convert to fraction form
    9,775.20/14,657.40 = 3,925.20/x
  3. Step 3: Cross multiply
    9,775.20x = 14,657.40 × 3,925.20
  4. Step 4: Simplify right side
    9,775.20x = 57,533,226.48
  5. Step 5: Solve for x
    x = 57,533,226.48/9,775.20
  6. Step 6: Final answer
    x = 5,885.63

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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.