Home / 7,359.75-10,156.19-4,215.33

Finding the Fourth Proportional to 7,359.75, 10,156.19 and 4,215.33

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Solution

The fourth proportional to 7,359.75, 10,156.19 and 4,215.33 is: 5,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.75 : 10,156.19 = 4,215.33 : x
  2. Step 2: Convert to fraction form
    7,359.75/10,156.19 = 4,215.33/x
  3. Step 3: Cross multiply
    7,359.75x = 10,156.19 × 4,215.33
  4. Step 4: Simplify right side
    7,359.75x = 42,811,671.32
  5. Step 5: Solve for x
    x = 42,811,671.32/7,359.75
  6. Step 6: Final answer
    x = 5,817.00

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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.