Home / 7,275.12-10,038.84-4,088.64

Finding the Fourth Proportional to 7,275.12, 10,038.84 and 4,088.64

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Solution

The fourth proportional to 7,275.12, 10,038.84 and 4,088.64 is: 5,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.12 : 10,038.84 = 4,088.64 : x
  2. Step 2: Convert to fraction form
    7,275.12/10,038.84 = 4,088.64/x
  3. Step 3: Cross multiply
    7,275.12x = 10,038.84 × 4,088.64
  4. Step 4: Simplify right side
    7,275.12x = 41,045,202.78
  5. Step 5: Solve for x
    x = 41,045,202.78/7,275.12
  6. Step 6: Final answer
    x = 5,641.86

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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.