Home / 5,328.57-7,995.16-2,860.51

Finding the Fourth Proportional to 5,328.57, 7,995.16 and 2,860.51

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Solution

The fourth proportional to 5,328.57, 7,995.16 and 2,860.51 is: 4,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.57 : 7,995.16 = 2,860.51 : x
  2. Step 2: Convert to fraction form
    5,328.57/7,995.16 = 2,860.51/x
  3. Step 3: Cross multiply
    5,328.57x = 7,995.16 × 2,860.51
  4. Step 4: Simplify right side
    5,328.57x = 22,870,255.85
  5. Step 5: Solve for x
    x = 22,870,255.85/5,328.57
  6. Step 6: Final answer
    x = 4,292.00

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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.