Home / 5,470.72-8,210.08-2,184.76

Finding the Fourth Proportional to 5,470.72, 8,210.08 and 2,184.76

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Solution

The fourth proportional to 5,470.72, 8,210.08 and 2,184.76 is: 3,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.72 : 8,210.08 = 2,184.76 : x
  2. Step 2: Convert to fraction form
    5,470.72/8,210.08 = 2,184.76/x
  3. Step 3: Cross multiply
    5,470.72x = 8,210.08 × 2,184.76
  4. Step 4: Simplify right side
    5,470.72x = 17,937,054.38
  5. Step 5: Solve for x
    x = 17,937,054.38/5,470.72
  6. Step 6: Final answer
    x = 3,278.74

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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.