Home / 6,543.56-9,814.26-5,440.07

Finding the Fourth Proportional to 6,543.56, 9,814.26 and 5,440.07

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Solution

The fourth proportional to 6,543.56, 9,814.26 and 5,440.07 is: 8,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.56 : 9,814.26 = 5,440.07 : x
  2. Step 2: Convert to fraction form
    6,543.56/9,814.26 = 5,440.07/x
  3. Step 3: Cross multiply
    6,543.56x = 9,814.26 × 5,440.07
  4. Step 4: Simplify right side
    6,543.56x = 53,390,261.40
  5. Step 5: Solve for x
    x = 53,390,261.40/6,543.56
  6. Step 6: Final answer
    x = 8,159.21

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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.