Home / 7,288.86-10,055.18-4,302.70

Finding the Fourth Proportional to 7,288.86, 10,055.18 and 4,302.70

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Solution

The fourth proportional to 7,288.86, 10,055.18 and 4,302.70 is: 5,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.86 : 10,055.18 = 4,302.70 : x
  2. Step 2: Convert to fraction form
    7,288.86/10,055.18 = 4,302.70/x
  3. Step 3: Cross multiply
    7,288.86x = 10,055.18 × 4,302.70
  4. Step 4: Simplify right side
    7,288.86x = 43,264,422.99
  5. Step 5: Solve for x
    x = 43,264,422.99/7,288.86
  6. Step 6: Final answer
    x = 5,935.69

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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.