Home / 7,918.97-10,928.01-4,333.91

Finding the Fourth Proportional to 7,918.97, 10,928.01 and 4,333.91

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Solution

The fourth proportional to 7,918.97, 10,928.01 and 4,333.91 is: 5,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.97 : 10,928.01 = 4,333.91 : x
  2. Step 2: Convert to fraction form
    7,918.97/10,928.01 = 4,333.91/x
  3. Step 3: Cross multiply
    7,918.97x = 10,928.01 × 4,333.91
  4. Step 4: Simplify right side
    7,918.97x = 47,360,973.43
  5. Step 5: Solve for x
    x = 47,360,973.43/7,918.97
  6. Step 6: Final answer
    x = 5,980.70

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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.