Home / 7,288.47-10,055.49-4,302.81

Finding the Fourth Proportional to 7,288.47, 10,055.49 and 4,302.81

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Solution

The fourth proportional to 7,288.47, 10,055.49 and 4,302.81 is: 5,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.47 : 10,055.49 = 4,302.81 : x
  2. Step 2: Convert to fraction form
    7,288.47/10,055.49 = 4,302.81/x
  3. Step 3: Cross multiply
    7,288.47x = 10,055.49 × 4,302.81
  4. Step 4: Simplify right side
    7,288.47x = 43,266,862.93
  5. Step 5: Solve for x
    x = 43,266,862.93/7,288.47
  6. Step 6: Final answer
    x = 5,936.34

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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.