Home / 5,276.76-7,910.40-4,820.16

Finding the Fourth Proportional to 5,276.76, 7,910.40 and 4,820.16

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Solution

The fourth proportional to 5,276.76, 7,910.40 and 4,820.16 is: 7,225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.76 : 7,910.40 = 4,820.16 : x
  2. Step 2: Convert to fraction form
    5,276.76/7,910.40 = 4,820.16/x
  3. Step 3: Cross multiply
    5,276.76x = 7,910.40 × 4,820.16
  4. Step 4: Simplify right side
    5,276.76x = 38,129,393.66
  5. Step 5: Solve for x
    x = 38,129,393.66/5,276.76
  6. Step 6: Final answer
    x = 7,225.91

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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.