Home / 7,088.16-9,780.46-4,103.48

Finding the Fourth Proportional to 7,088.16, 9,780.46 and 4,103.48

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Solution

The fourth proportional to 7,088.16, 9,780.46 and 4,103.48 is: 5,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.16 : 9,780.46 = 4,103.48 : x
  2. Step 2: Convert to fraction form
    7,088.16/9,780.46 = 4,103.48/x
  3. Step 3: Cross multiply
    7,088.16x = 9,780.46 × 4,103.48
  4. Step 4: Simplify right side
    7,088.16x = 40,133,904.26
  5. Step 5: Solve for x
    x = 40,133,904.26/7,088.16
  6. Step 6: Final answer
    x = 5,662.11

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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.