Home / 9,133.09-12,602.59-5,153.97

Finding the Fourth Proportional to 9,133.09, 12,602.59 and 5,153.97

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Solution

The fourth proportional to 9,133.09, 12,602.59 and 5,153.97 is: 7,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.09 : 12,602.59 = 5,153.97 : x
  2. Step 2: Convert to fraction form
    9,133.09/12,602.59 = 5,153.97/x
  3. Step 3: Cross multiply
    9,133.09x = 12,602.59 × 5,153.97
  4. Step 4: Simplify right side
    9,133.09x = 64,953,370.78
  5. Step 5: Solve for x
    x = 64,953,370.78/9,133.09
  6. Step 6: Final answer
    x = 7,111.87

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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.