Home / 7,088.25-10,628.80-4,127.65

Finding the Fourth Proportional to 7,088.25, 10,628.80 and 4,127.65

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Solution

The fourth proportional to 7,088.25, 10,628.80 and 4,127.65 is: 6,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.25 : 10,628.80 = 4,127.65 : x
  2. Step 2: Convert to fraction form
    7,088.25/10,628.80 = 4,127.65/x
  3. Step 3: Cross multiply
    7,088.25x = 10,628.80 × 4,127.65
  4. Step 4: Simplify right side
    7,088.25x = 43,871,966.32
  5. Step 5: Solve for x
    x = 43,871,966.32/7,088.25
  6. Step 6: Final answer
    x = 6,189.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.