Home / 9,127.81-12,596.40-5,148.93

Finding the Fourth Proportional to 9,127.81, 12,596.40 and 5,148.93

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Solution

The fourth proportional to 9,127.81, 12,596.40 and 5,148.93 is: 7,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.81 : 12,596.40 = 5,148.93 : x
  2. Step 2: Convert to fraction form
    9,127.81/12,596.40 = 5,148.93/x
  3. Step 3: Cross multiply
    9,127.81x = 12,596.40 × 5,148.93
  4. Step 4: Simplify right side
    9,127.81x = 64,858,029.09
  5. Step 5: Solve for x
    x = 64,858,029.09/9,127.81
  6. Step 6: Final answer
    x = 7,105.54

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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.