Home / 8,613.54-11,889.18-5,075.46

Finding the Fourth Proportional to 8,613.54, 11,889.18 and 5,075.46

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Solution

The fourth proportional to 8,613.54, 11,889.18 and 5,075.46 is: 7,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.54 : 11,889.18 = 5,075.46 : x
  2. Step 2: Convert to fraction form
    8,613.54/11,889.18 = 5,075.46/x
  3. Step 3: Cross multiply
    8,613.54x = 11,889.18 × 5,075.46
  4. Step 4: Simplify right side
    8,613.54x = 60,343,057.52
  5. Step 5: Solve for x
    x = 60,343,057.52/8,613.54
  6. Step 6: Final answer
    x = 7,005.60

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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.