Home / 9,055.53-12,491.01-5,911.65

Finding the Fourth Proportional to 9,055.53, 12,491.01 and 5,911.65

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Solution

The fourth proportional to 9,055.53, 12,491.01 and 5,911.65 is: 8,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.53 : 12,491.01 = 5,911.65 : x
  2. Step 2: Convert to fraction form
    9,055.53/12,491.01 = 5,911.65/x
  3. Step 3: Cross multiply
    9,055.53x = 12,491.01 × 5,911.65
  4. Step 4: Simplify right side
    9,055.53x = 73,842,479.27
  5. Step 5: Solve for x
    x = 73,842,479.27/9,055.53
  6. Step 6: Final answer
    x = 8,154.41

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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.