Home / 7,154.47-9,873.77-4,011.26

Finding the Fourth Proportional to 7,154.47, 9,873.77 and 4,011.26

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Solution

The fourth proportional to 7,154.47, 9,873.77 and 4,011.26 is: 5,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.47 : 9,873.77 = 4,011.26 : x
  2. Step 2: Convert to fraction form
    7,154.47/9,873.77 = 4,011.26/x
  3. Step 3: Cross multiply
    7,154.47x = 9,873.77 × 4,011.26
  4. Step 4: Simplify right side
    7,154.47x = 39,606,258.65
  5. Step 5: Solve for x
    x = 39,606,258.65/7,154.47
  6. Step 6: Final answer
    x = 5,535.88

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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.