Home / 5,191.07-7,782.28-3,543.53

Finding the Fourth Proportional to 5,191.07, 7,782.28 and 3,543.53

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Solution

The fourth proportional to 5,191.07, 7,782.28 and 3,543.53 is: 5,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.07 : 7,782.28 = 3,543.53 : x
  2. Step 2: Convert to fraction form
    5,191.07/7,782.28 = 3,543.53/x
  3. Step 3: Cross multiply
    5,191.07x = 7,782.28 × 3,543.53
  4. Step 4: Simplify right side
    5,191.07x = 27,576,742.65
  5. Step 5: Solve for x
    x = 27,576,742.65/5,191.07
  6. Step 6: Final answer
    x = 5,312.34

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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.