Home / 6,440.83-9,643.68-4,876.10

Finding the Fourth Proportional to 6,440.83, 9,643.68 and 4,876.10

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Solution

The fourth proportional to 6,440.83, 9,643.68 and 4,876.10 is: 7,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.83 : 9,643.68 = 4,876.10 : x
  2. Step 2: Convert to fraction form
    6,440.83/9,643.68 = 4,876.10/x
  3. Step 3: Cross multiply
    6,440.83x = 9,643.68 × 4,876.10
  4. Step 4: Simplify right side
    6,440.83x = 47,023,548.05
  5. Step 5: Solve for x
    x = 47,023,548.05/6,440.83
  6. Step 6: Final answer
    x = 7,300.85

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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.