Home / 7,248.20-10,869.60-2,566.40

Finding the Fourth Proportional to 7,248.20, 10,869.60 and 2,566.40

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Solution

The fourth proportional to 7,248.20, 10,869.60 and 2,566.40 is: 3,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.20 : 10,869.60 = 2,566.40 : x
  2. Step 2: Convert to fraction form
    7,248.20/10,869.60 = 2,566.40/x
  3. Step 3: Cross multiply
    7,248.20x = 10,869.60 × 2,566.40
  4. Step 4: Simplify right side
    7,248.20x = 27,895,741.44
  5. Step 5: Solve for x
    x = 27,895,741.44/7,248.20
  6. Step 6: Final answer
    x = 3,848.64

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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.