Home / 8,718.32-13,075.51-2,478.18

Finding the Fourth Proportional to 8,718.32, 13,075.51 and 2,478.18

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Solution

The fourth proportional to 8,718.32, 13,075.51 and 2,478.18 is: 3,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.32 : 13,075.51 = 2,478.18 : x
  2. Step 2: Convert to fraction form
    8,718.32/13,075.51 = 2,478.18/x
  3. Step 3: Cross multiply
    8,718.32x = 13,075.51 × 2,478.18
  4. Step 4: Simplify right side
    8,718.32x = 32,403,467.37
  5. Step 5: Solve for x
    x = 32,403,467.37/8,718.32
  6. Step 6: Final answer
    x = 3,716.71

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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.