Home / 5,223.60-7,830.72-4,292.64

Finding the Fourth Proportional to 5,223.60, 7,830.72 and 4,292.64

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Solution

The fourth proportional to 5,223.60, 7,830.72 and 4,292.64 is: 6,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.60 : 7,830.72 = 4,292.64 : x
  2. Step 2: Convert to fraction form
    5,223.60/7,830.72 = 4,292.64/x
  3. Step 3: Cross multiply
    5,223.60x = 7,830.72 × 4,292.64
  4. Step 4: Simplify right side
    5,223.60x = 33,614,461.90
  5. Step 5: Solve for x
    x = 33,614,461.90/5,223.60
  6. Step 6: Final answer
    x = 6,435.11

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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.