Home / 7,979.02-11,970.96-4,685.16

Finding the Fourth Proportional to 7,979.02, 11,970.96 and 4,685.16

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Solution

The fourth proportional to 7,979.02, 11,970.96 and 4,685.16 is: 7,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.02 : 11,970.96 = 4,685.16 : x
  2. Step 2: Convert to fraction form
    7,979.02/11,970.96 = 4,685.16/x
  3. Step 3: Cross multiply
    7,979.02x = 11,970.96 × 4,685.16
  4. Step 4: Simplify right side
    7,979.02x = 56,085,862.95
  5. Step 5: Solve for x
    x = 56,085,862.95/7,979.02
  6. Step 6: Final answer
    x = 7,029.17

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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.