Home / 9,386.80-12,953.75-5,079.89

Finding the Fourth Proportional to 9,386.80, 12,953.75 and 5,079.89

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Solution

The fourth proportional to 9,386.80, 12,953.75 and 5,079.89 is: 7,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.80 : 12,953.75 = 5,079.89 : x
  2. Step 2: Convert to fraction form
    9,386.80/12,953.75 = 5,079.89/x
  3. Step 3: Cross multiply
    9,386.80x = 12,953.75 × 5,079.89
  4. Step 4: Simplify right side
    9,386.80x = 65,803,582.54
  5. Step 5: Solve for x
    x = 65,803,582.54/9,386.80
  6. Step 6: Final answer
    x = 7,010.22

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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.