Home / 5,619.27-8,434.09-5,280.20

Finding the Fourth Proportional to 5,619.27, 8,434.09 and 5,280.20

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Solution

The fourth proportional to 5,619.27, 8,434.09 and 5,280.20 is: 7,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.27 : 8,434.09 = 5,280.20 : x
  2. Step 2: Convert to fraction form
    5,619.27/8,434.09 = 5,280.20/x
  3. Step 3: Cross multiply
    5,619.27x = 8,434.09 × 5,280.20
  4. Step 4: Simplify right side
    5,619.27x = 44,533,635.98
  5. Step 5: Solve for x
    x = 44,533,635.98/5,619.27
  6. Step 6: Final answer
    x = 7,925.17

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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.