Home / 7,223.60-10,814.28-6,531.86

Finding the Fourth Proportional to 7,223.60, 10,814.28 and 6,531.86

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Solution

The fourth proportional to 7,223.60, 10,814.28 and 6,531.86 is: 9,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.60 : 10,814.28 = 6,531.86 : x
  2. Step 2: Convert to fraction form
    7,223.60/10,814.28 = 6,531.86/x
  3. Step 3: Cross multiply
    7,223.60x = 10,814.28 × 6,531.86
  4. Step 4: Simplify right side
    7,223.60x = 70,637,362.96
  5. Step 5: Solve for x
    x = 70,637,362.96/7,223.60
  6. Step 6: Final answer
    x = 9,778.69

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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.