Home / 7,888.32-10,884.96-4,744.80

Finding the Fourth Proportional to 7,888.32, 10,884.96 and 4,744.80

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Solution

The fourth proportional to 7,888.32, 10,884.96 and 4,744.80 is: 6,547.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.32 : 10,884.96 = 4,744.80 : x
  2. Step 2: Convert to fraction form
    7,888.32/10,884.96 = 4,744.80/x
  3. Step 3: Cross multiply
    7,888.32x = 10,884.96 × 4,744.80
  4. Step 4: Simplify right side
    7,888.32x = 51,646,958.21
  5. Step 5: Solve for x
    x = 51,646,958.21/7,888.32
  6. Step 6: Final answer
    x = 6,547.27

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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.