Home / 7,659.78-10,570.14-4,515.36

Finding the Fourth Proportional to 7,659.78, 10,570.14 and 4,515.36

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Solution

The fourth proportional to 7,659.78, 10,570.14 and 4,515.36 is: 6,230.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.78 : 10,570.14 = 4,515.36 : x
  2. Step 2: Convert to fraction form
    7,659.78/10,570.14 = 4,515.36/x
  3. Step 3: Cross multiply
    7,659.78x = 10,570.14 × 4,515.36
  4. Step 4: Simplify right side
    7,659.78x = 47,727,987.35
  5. Step 5: Solve for x
    x = 47,727,987.35/7,659.78
  6. Step 6: Final answer
    x = 6,230.99

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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.