Home / 4,374.27-6,561.28-1,087.35

Finding the Fourth Proportional to 4,374.27, 6,561.28 and 1,087.35

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Solution

The fourth proportional to 4,374.27, 6,561.28 and 1,087.35 is: 1,630.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374.27 : 6,561.28 = 1,087.35 : x
  2. Step 2: Convert to fraction form
    4,374.27/6,561.28 = 1,087.35/x
  3. Step 3: Cross multiply
    4,374.27x = 6,561.28 × 1,087.35
  4. Step 4: Simplify right side
    4,374.27x = 7,134,407.81
  5. Step 5: Solve for x
    x = 7,134,407.81/4,374.27
  6. Step 6: Final answer
    x = 1,630.99

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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.