Home / 7,888.32-10,886.40-5,097.60

Finding the Fourth Proportional to 7,888.32, 10,886.40 and 5,097.60

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Solution

The fourth proportional to 7,888.32, 10,886.40 and 5,097.60 is: 7,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.32 : 10,886.40 = 5,097.60 : x
  2. Step 2: Convert to fraction form
    7,888.32/10,886.40 = 5,097.60/x
  3. Step 3: Cross multiply
    7,888.32x = 10,886.40 × 5,097.60
  4. Step 4: Simplify right side
    7,888.32x = 55,494,512.64
  5. Step 5: Solve for x
    x = 55,494,512.64/7,888.32
  6. Step 6: Final answer
    x = 7,035.02

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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.