Home / 5,010.30-7,515.45-4,070.70

Finding the Fourth Proportional to 5,010.30, 7,515.45 and 4,070.70

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Solution

The fourth proportional to 5,010.30, 7,515.45 and 4,070.70 is: 6,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.30 : 7,515.45 = 4,070.70 : x
  2. Step 2: Convert to fraction form
    5,010.30/7,515.45 = 4,070.70/x
  3. Step 3: Cross multiply
    5,010.30x = 7,515.45 × 4,070.70
  4. Step 4: Simplify right side
    5,010.30x = 30,593,142.32
  5. Step 5: Solve for x
    x = 30,593,142.32/5,010.30
  6. Step 6: Final answer
    x = 6,106.05

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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.