Home / 5,207.06-7,810.02-1,311.47

Finding the Fourth Proportional to 5,207.06, 7,810.02 and 1,311.47

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Solution

The fourth proportional to 5,207.06, 7,810.02 and 1,311.47 is: 1,967.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.06 : 7,810.02 = 1,311.47 : x
  2. Step 2: Convert to fraction form
    5,207.06/7,810.02 = 1,311.47/x
  3. Step 3: Cross multiply
    5,207.06x = 7,810.02 × 1,311.47
  4. Step 4: Simplify right side
    5,207.06x = 10,242,597.17
  5. Step 5: Solve for x
    x = 10,242,597.17/5,207.06
  6. Step 6: Final answer
    x = 1,967.06

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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.