Home / 5,580.90-7,698.24-4,011.12

Finding the Fourth Proportional to 5,580.90, 7,698.24 and 4,011.12

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Solution

The fourth proportional to 5,580.90, 7,698.24 and 4,011.12 is: 5,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.90 : 7,698.24 = 4,011.12 : x
  2. Step 2: Convert to fraction form
    5,580.90/7,698.24 = 4,011.12/x
  3. Step 3: Cross multiply
    5,580.90x = 7,698.24 × 4,011.12
  4. Step 4: Simplify right side
    5,580.90x = 30,878,564.43
  5. Step 5: Solve for x
    x = 30,878,564.43/5,580.90
  6. Step 6: Final answer
    x = 5,532.90

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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.