Home / 7,870.29-10,860.66-4,333.02

Finding the Fourth Proportional to 7,870.29, 10,860.66 and 4,333.02

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Solution

The fourth proportional to 7,870.29, 10,860.66 and 4,333.02 is: 5,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,870.29 : 10,860.66 = 4,333.02 : x
  2. Step 2: Convert to fraction form
    7,870.29/10,860.66 = 4,333.02/x
  3. Step 3: Cross multiply
    7,870.29x = 10,860.66 × 4,333.02
  4. Step 4: Simplify right side
    7,870.29x = 47,059,456.99
  5. Step 5: Solve for x
    x = 47,059,456.99/7,870.29
  6. Step 6: Final answer
    x = 5,979.38

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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.