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Finding the Fourth Proportional to 4,374.34, 6,562.80 and 1,412.72

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Solution

The fourth proportional to 4,374.34, 6,562.80 and 1,412.72 is: 2,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.34 : 6,562.80 = 1,412.72 : x
  2. Step 2: Convert to fraction form
    4,374.34/6,562.80 = 1,412.72/x
  3. Step 3: Cross multiply
    4,374.34x = 6,562.80 × 1,412.72
  4. Step 4: Simplify right side
    4,374.34x = 9,271,427.53
  5. Step 5: Solve for x
    x = 9,271,427.53/4,374.34
  6. Step 6: Final answer
    x = 2,119.50

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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.