Home / 7,889.08-10,886.42-4,352.31

Finding the Fourth Proportional to 7,889.08, 10,886.42 and 4,352.31

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Solution

The fourth proportional to 7,889.08, 10,886.42 and 4,352.31 is: 6,005.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.08 : 10,886.42 = 4,352.31 : x
  2. Step 2: Convert to fraction form
    7,889.08/10,886.42 = 4,352.31/x
  3. Step 3: Cross multiply
    7,889.08x = 10,886.42 × 4,352.31
  4. Step 4: Simplify right side
    7,889.08x = 47,381,074.63
  5. Step 5: Solve for x
    x = 47,381,074.63/7,889.08
  6. Step 6: Final answer
    x = 6,005.91

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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.