Home / 7,972.36-11,017.02-5,979.45

Finding the Fourth Proportional to 7,972.36, 11,017.02 and 5,979.45

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Solution

The fourth proportional to 7,972.36, 11,017.02 and 5,979.45 is: 8,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.36 : 11,017.02 = 5,979.45 : x
  2. Step 2: Convert to fraction form
    7,972.36/11,017.02 = 5,979.45/x
  3. Step 3: Cross multiply
    7,972.36x = 11,017.02 × 5,979.45
  4. Step 4: Simplify right side
    7,972.36x = 65,875,720.24
  5. Step 5: Solve for x
    x = 65,875,720.24/7,972.36
  6. Step 6: Final answer
    x = 8,263.02

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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.