Home / 9,187.02-13,780.28-2,947.46

Finding the Fourth Proportional to 9,187.02, 13,780.28 and 2,947.46

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Solution

The fourth proportional to 9,187.02, 13,780.28 and 2,947.46 is: 4,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.02 : 13,780.28 = 2,947.46 : x
  2. Step 2: Convert to fraction form
    9,187.02/13,780.28 = 2,947.46/x
  3. Step 3: Cross multiply
    9,187.02x = 13,780.28 × 2,947.46
  4. Step 4: Simplify right side
    9,187.02x = 40,616,762.56
  5. Step 5: Solve for x
    x = 40,616,762.56/9,187.02
  6. Step 6: Final answer
    x = 4,421.10

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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.