Home / 5,276.24-7,280-3,508.80

Finding the Fourth Proportional to 5,276.24, 7,280 and 3,508.80

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Solution

The fourth proportional to 5,276.24, 7,280 and 3,508.80 is: 4,841.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.24 : 7,280 = 3,508.80 : x
  2. Step 2: Convert to fraction form
    5,276.24/7,280 = 3,508.80/x
  3. Step 3: Cross multiply
    5,276.24x = 7,280 × 3,508.80
  4. Step 4: Simplify right side
    5,276.24x = 25,544,064
  5. Step 5: Solve for x
    x = 25,544,064/5,276.24
  6. Step 6: Final answer
    x = 4,841.34

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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.