Home / 7,389.51-11,069.69-5,542.71

Finding the Fourth Proportional to 7,389.51, 11,069.69 and 5,542.71

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Solution

The fourth proportional to 7,389.51, 11,069.69 and 5,542.71 is: 8,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.51 : 11,069.69 = 5,542.71 : x
  2. Step 2: Convert to fraction form
    7,389.51/11,069.69 = 5,542.71/x
  3. Step 3: Cross multiply
    7,389.51x = 11,069.69 × 5,542.71
  4. Step 4: Simplify right side
    7,389.51x = 61,356,053.75
  5. Step 5: Solve for x
    x = 61,356,053.75/7,389.51
  6. Step 6: Final answer
    x = 8,303.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.