Home / 7,188.24-10,764.28-4,547.78

Finding the Fourth Proportional to 7,188.24, 10,764.28 and 4,547.78

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Solution

The fourth proportional to 7,188.24, 10,764.28 and 4,547.78 is: 6,810.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.24 : 10,764.28 = 4,547.78 : x
  2. Step 2: Convert to fraction form
    7,188.24/10,764.28 = 4,547.78/x
  3. Step 3: Cross multiply
    7,188.24x = 10,764.28 × 4,547.78
  4. Step 4: Simplify right side
    7,188.24x = 48,953,577.30
  5. Step 5: Solve for x
    x = 48,953,577.30/7,188.24
  6. Step 6: Final answer
    x = 6,810.23

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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.