Home / 4,374.61-6,561.88-1,875.43

Finding the Fourth Proportional to 4,374.61, 6,561.88 and 1,875.43

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Solution

The fourth proportional to 4,374.61, 6,561.88 and 1,875.43 is: 2,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.61 : 6,561.88 = 1,875.43 : x
  2. Step 2: Convert to fraction form
    4,374.61/6,561.88 = 1,875.43/x
  3. Step 3: Cross multiply
    4,374.61x = 6,561.88 × 1,875.43
  4. Step 4: Simplify right side
    4,374.61x = 12,306,346.61
  5. Step 5: Solve for x
    x = 12,306,346.61/4,374.61
  6. Step 6: Final answer
    x = 2,813.13

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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.