Home / 9,780.90-14,673.40-3,937.51

Finding the Fourth Proportional to 9,780.90, 14,673.40 and 3,937.51

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Solution

The fourth proportional to 9,780.90, 14,673.40 and 3,937.51 is: 5,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.90 : 14,673.40 = 3,937.51 : x
  2. Step 2: Convert to fraction form
    9,780.90/14,673.40 = 3,937.51/x
  3. Step 3: Cross multiply
    9,780.90x = 14,673.40 × 3,937.51
  4. Step 4: Simplify right side
    9,780.90x = 57,776,689.88
  5. Step 5: Solve for x
    x = 57,776,689.88/9,780.90
  6. Step 6: Final answer
    x = 5,907.09

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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.