Home / 9,478.89-13,080.20-5,701.32

Finding the Fourth Proportional to 9,478.89, 13,080.20 and 5,701.32

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Solution

The fourth proportional to 9,478.89, 13,080.20 and 5,701.32 is: 7,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.89 : 13,080.20 = 5,701.32 : x
  2. Step 2: Convert to fraction form
    9,478.89/13,080.20 = 5,701.32/x
  3. Step 3: Cross multiply
    9,478.89x = 13,080.20 × 5,701.32
  4. Step 4: Simplify right side
    9,478.89x = 74,574,377.36
  5. Step 5: Solve for x
    x = 74,574,377.36/9,478.89
  6. Step 6: Final answer
    x = 7,867.42

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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.