Home / 9,110.91-12,573.60-5,574.81

Finding the Fourth Proportional to 9,110.91, 12,573.60 and 5,574.81

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Solution

The fourth proportional to 9,110.91, 12,573.60 and 5,574.81 is: 7,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.91 : 12,573.60 = 5,574.81 : x
  2. Step 2: Convert to fraction form
    9,110.91/12,573.60 = 5,574.81/x
  3. Step 3: Cross multiply
    9,110.91x = 12,573.60 × 5,574.81
  4. Step 4: Simplify right side
    9,110.91x = 70,095,431.02
  5. Step 5: Solve for x
    x = 70,095,431.02/9,110.91
  6. Step 6: Final answer
    x = 7,693.57

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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.