Home / 5,247.02-7,870.55-1,351.13

Finding the Fourth Proportional to 5,247.02, 7,870.55 and 1,351.13

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Solution

The fourth proportional to 5,247.02, 7,870.55 and 1,351.13 is: 2,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.02 : 7,870.55 = 1,351.13 : x
  2. Step 2: Convert to fraction form
    5,247.02/7,870.55 = 1,351.13/x
  3. Step 3: Cross multiply
    5,247.02x = 7,870.55 × 1,351.13
  4. Step 4: Simplify right side
    5,247.02x = 10,634,090.11
  5. Step 5: Solve for x
    x = 10,634,090.11/5,247.02
  6. Step 6: Final answer
    x = 2,026.69

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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.