Home / 4,298.28-6,443.76-1,374.98

Finding the Fourth Proportional to 4,298.28, 6,443.76 and 1,374.98

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Solution

The fourth proportional to 4,298.28, 6,443.76 and 1,374.98 is: 2,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.28 : 6,443.76 = 1,374.98 : x
  2. Step 2: Convert to fraction form
    4,298.28/6,443.76 = 1,374.98/x
  3. Step 3: Cross multiply
    4,298.28x = 6,443.76 × 1,374.98
  4. Step 4: Simplify right side
    4,298.28x = 8,860,041.12
  5. Step 5: Solve for x
    x = 8,860,041.12/4,298.28
  6. Step 6: Final answer
    x = 2,061.30

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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.