Home / 7,918.59-10,927.80-4,382.13

Finding the Fourth Proportional to 7,918.59, 10,927.80 and 4,382.13

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Solution

The fourth proportional to 7,918.59, 10,927.80 and 4,382.13 is: 6,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.59 : 10,927.80 = 4,382.13 : x
  2. Step 2: Convert to fraction form
    7,918.59/10,927.80 = 4,382.13/x
  3. Step 3: Cross multiply
    7,918.59x = 10,927.80 × 4,382.13
  4. Step 4: Simplify right side
    7,918.59x = 47,887,040.21
  5. Step 5: Solve for x
    x = 47,887,040.21/7,918.59
  6. Step 6: Final answer
    x = 6,047.42

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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.