Home / 9,387.09-14,077.80-4,455

Finding the Fourth Proportional to 9,387.09, 14,077.80 and 4,455

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Solution

The fourth proportional to 9,387.09, 14,077.80 and 4,455 is: 6,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.09 : 14,077.80 = 4,455 : x
  2. Step 2: Convert to fraction form
    9,387.09/14,077.80 = 4,455/x
  3. Step 3: Cross multiply
    9,387.09x = 14,077.80 × 4,455
  4. Step 4: Simplify right side
    9,387.09x = 62,716,599
  5. Step 5: Solve for x
    x = 62,716,599/9,387.09
  6. Step 6: Final answer
    x = 6,681.15

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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.