Home / 7,888.45-10,886.31-4,531.94

Finding the Fourth Proportional to 7,888.45, 10,886.31 and 4,531.94

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Solution

The fourth proportional to 7,888.45, 10,886.31 and 4,531.94 is: 6,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.45 : 10,886.31 = 4,531.94 : x
  2. Step 2: Convert to fraction form
    7,888.45/10,886.31 = 4,531.94/x
  3. Step 3: Cross multiply
    7,888.45x = 10,886.31 × 4,531.94
  4. Step 4: Simplify right side
    7,888.45x = 49,336,081.20
  5. Step 5: Solve for x
    x = 49,336,081.20/7,888.45
  6. Step 6: Final answer
    x = 6,254.22

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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.