Home / 5,353.08-7,385.78-4,643.82

Finding the Fourth Proportional to 5,353.08, 7,385.78 and 4,643.82

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Solution

The fourth proportional to 5,353.08, 7,385.78 and 4,643.82 is: 6,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.08 : 7,385.78 = 4,643.82 : x
  2. Step 2: Convert to fraction form
    5,353.08/7,385.78 = 4,643.82/x
  3. Step 3: Cross multiply
    5,353.08x = 7,385.78 × 4,643.82
  4. Step 4: Simplify right side
    5,353.08x = 34,298,232.88
  5. Step 5: Solve for x
    x = 34,298,232.88/5,353.08
  6. Step 6: Final answer
    x = 6,407.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.