Home / 9,210.36-12,711.81-5,434.44

Finding the Fourth Proportional to 9,210.36, 12,711.81 and 5,434.44

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Solution

The fourth proportional to 9,210.36, 12,711.81 and 5,434.44 is: 7,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.36 : 12,711.81 = 5,434.44 : x
  2. Step 2: Convert to fraction form
    9,210.36/12,711.81 = 5,434.44/x
  3. Step 3: Cross multiply
    9,210.36x = 12,711.81 × 5,434.44
  4. Step 4: Simplify right side
    9,210.36x = 69,081,568.74
  5. Step 5: Solve for x
    x = 69,081,568.74/9,210.36
  6. Step 6: Final answer
    x = 7,500.42

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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.