Home / 7,657.02-10,556.88-5,135.10

Finding the Fourth Proportional to 7,657.02, 10,556.88 and 5,135.10

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Solution

The fourth proportional to 7,657.02, 10,556.88 and 5,135.10 is: 7,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.02 : 10,556.88 = 5,135.10 : x
  2. Step 2: Convert to fraction form
    7,657.02/10,556.88 = 5,135.10/x
  3. Step 3: Cross multiply
    7,657.02x = 10,556.88 × 5,135.10
  4. Step 4: Simplify right side
    7,657.02x = 54,210,634.49
  5. Step 5: Solve for x
    x = 54,210,634.49/7,657.02
  6. Step 6: Final answer
    x = 7,079.86

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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.