Home / 7,070.10-10,583.55-5,514.90

Finding the Fourth Proportional to 7,070.10, 10,583.55 and 5,514.90

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Solution

The fourth proportional to 7,070.10, 10,583.55 and 5,514.90 is: 8,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.10 : 10,583.55 = 5,514.90 : x
  2. Step 2: Convert to fraction form
    7,070.10/10,583.55 = 5,514.90/x
  3. Step 3: Cross multiply
    7,070.10x = 10,583.55 × 5,514.90
  4. Step 4: Simplify right side
    7,070.10x = 58,367,219.90
  5. Step 5: Solve for x
    x = 58,367,219.90/7,070.10
  6. Step 6: Final answer
    x = 8,255.50

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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.