Home / 7,652.32-11,478.08-2,457.79

Finding the Fourth Proportional to 7,652.32, 11,478.08 and 2,457.79

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Solution

The fourth proportional to 7,652.32, 11,478.08 and 2,457.79 is: 3,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.32 : 11,478.08 = 2,457.79 : x
  2. Step 2: Convert to fraction form
    7,652.32/11,478.08 = 2,457.79/x
  3. Step 3: Cross multiply
    7,652.32x = 11,478.08 × 2,457.79
  4. Step 4: Simplify right side
    7,652.32x = 28,210,697.95
  5. Step 5: Solve for x
    x = 28,210,697.95/7,652.32
  6. Step 6: Final answer
    x = 3,686.55

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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.