Home / 5,629.04-8,430.60-3,160.16

Finding the Fourth Proportional to 5,629.04, 8,430.60 and 3,160.16

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Solution

The fourth proportional to 5,629.04, 8,430.60 and 3,160.16 is: 4,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.04 : 8,430.60 = 3,160.16 : x
  2. Step 2: Convert to fraction form
    5,629.04/8,430.60 = 3,160.16/x
  3. Step 3: Cross multiply
    5,629.04x = 8,430.60 × 3,160.16
  4. Step 4: Simplify right side
    5,629.04x = 26,642,044.90
  5. Step 5: Solve for x
    x = 26,642,044.90/5,629.04
  6. Step 6: Final answer
    x = 4,732.96

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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.