Home / 9,038.36-12,471.15-5,679.23

Finding the Fourth Proportional to 9,038.36, 12,471.15 and 5,679.23

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Solution

The fourth proportional to 9,038.36, 12,471.15 and 5,679.23 is: 7,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.36 : 12,471.15 = 5,679.23 : x
  2. Step 2: Convert to fraction form
    9,038.36/12,471.15 = 5,679.23/x
  3. Step 3: Cross multiply
    9,038.36x = 12,471.15 × 5,679.23
  4. Step 4: Simplify right side
    9,038.36x = 70,826,497.71
  5. Step 5: Solve for x
    x = 70,826,497.71/9,038.36
  6. Step 6: Final answer
    x = 7,836.21

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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.