Home / 6,551.49-9,039-3,718.65

Finding the Fourth Proportional to 6,551.49, 9,039 and 3,718.65

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Solution

The fourth proportional to 6,551.49, 9,039 and 3,718.65 is: 5,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551.49 : 9,039 = 3,718.65 : x
  2. Step 2: Convert to fraction form
    6,551.49/9,039 = 3,718.65/x
  3. Step 3: Cross multiply
    6,551.49x = 9,039 × 3,718.65
  4. Step 4: Simplify right side
    6,551.49x = 33,612,877.35
  5. Step 5: Solve for x
    x = 33,612,877.35/6,551.49
  6. Step 6: Final answer
    x = 5,130.57

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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.