Home / 5,979.38-8,970.50-1,875.38

Finding the Fourth Proportional to 5,979.38, 8,970.50 and 1,875.38

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Solution

The fourth proportional to 5,979.38, 8,970.50 and 1,875.38 is: 2,813.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.38 : 8,970.50 = 1,875.38 : x
  2. Step 2: Convert to fraction form
    5,979.38/8,970.50 = 1,875.38/x
  3. Step 3: Cross multiply
    5,979.38x = 8,970.50 × 1,875.38
  4. Step 4: Simplify right side
    5,979.38x = 16,823,056.13
  5. Step 5: Solve for x
    x = 16,823,056.13/5,979.38
  6. Step 6: Final answer
    x = 2,813.51

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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.