Home / 7,957.13-10,980.41-4,420.13

Finding the Fourth Proportional to 7,957.13, 10,980.41 and 4,420.13

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Solution

The fourth proportional to 7,957.13, 10,980.41 and 4,420.13 is: 6,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.13 : 10,980.41 = 4,420.13 : x
  2. Step 2: Convert to fraction form
    7,957.13/10,980.41 = 4,420.13/x
  3. Step 3: Cross multiply
    7,957.13x = 10,980.41 × 4,420.13
  4. Step 4: Simplify right side
    7,957.13x = 48,534,762.65
  5. Step 5: Solve for x
    x = 48,534,762.65/7,957.13
  6. Step 6: Final answer
    x = 6,099.54

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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.