Home / 6,280.48-8,666.16-3,627.28

Finding the Fourth Proportional to 6,280.48, 8,666.16 and 3,627.28

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Solution

The fourth proportional to 6,280.48, 8,666.16 and 3,627.28 is: 5,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.48 : 8,666.16 = 3,627.28 : x
  2. Step 2: Convert to fraction form
    6,280.48/8,666.16 = 3,627.28/x
  3. Step 3: Cross multiply
    6,280.48x = 8,666.16 × 3,627.28
  4. Step 4: Simplify right side
    6,280.48x = 31,434,588.84
  5. Step 5: Solve for x
    x = 31,434,588.84/6,280.48
  6. Step 6: Final answer
    x = 5,005.13

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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.