Home / 7,277.60-10,918.41-2,898.13

Finding the Fourth Proportional to 7,277.60, 10,918.41 and 2,898.13

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Solution

The fourth proportional to 7,277.60, 10,918.41 and 2,898.13 is: 4,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.60 : 10,918.41 = 2,898.13 : x
  2. Step 2: Convert to fraction form
    7,277.60/10,918.41 = 2,898.13/x
  3. Step 3: Cross multiply
    7,277.60x = 10,918.41 × 2,898.13
  4. Step 4: Simplify right side
    7,277.60x = 31,642,971.57
  5. Step 5: Solve for x
    x = 31,642,971.57/7,277.60
  6. Step 6: Final answer
    x = 4,348.00

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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.