Home / 5,276.50-7,281.69-3,416.74

Finding the Fourth Proportional to 5,276.50, 7,281.69 and 3,416.74

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Solution

The fourth proportional to 5,276.50, 7,281.69 and 3,416.74 is: 4,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.50 : 7,281.69 = 3,416.74 : x
  2. Step 2: Convert to fraction form
    5,276.50/7,281.69 = 3,416.74/x
  3. Step 3: Cross multiply
    5,276.50x = 7,281.69 × 3,416.74
  4. Step 4: Simplify right side
    5,276.50x = 24,879,641.49
  5. Step 5: Solve for x
    x = 24,879,641.49/5,276.50
  6. Step 6: Final answer
    x = 4,715.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.