Home / 6,349.72-8,762.48-3,555.20

Finding the Fourth Proportional to 6,349.72, 8,762.48 and 3,555.20

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Solution

The fourth proportional to 6,349.72, 8,762.48 and 3,555.20 is: 4,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.72 : 8,762.48 = 3,555.20 : x
  2. Step 2: Convert to fraction form
    6,349.72/8,762.48 = 3,555.20/x
  3. Step 3: Cross multiply
    6,349.72x = 8,762.48 × 3,555.20
  4. Step 4: Simplify right side
    6,349.72x = 31,152,368.90
  5. Step 5: Solve for x
    x = 31,152,368.90/6,349.72
  6. Step 6: Final answer
    x = 4,906.10

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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.