Home / 7,288.11-10,060.64-4,931.62

Finding the Fourth Proportional to 7,288.11, 10,060.64 and 4,931.62

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Solution

The fourth proportional to 7,288.11, 10,060.64 and 4,931.62 is: 6,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.11 : 10,060.64 = 4,931.62 : x
  2. Step 2: Convert to fraction form
    7,288.11/10,060.64 = 4,931.62/x
  3. Step 3: Cross multiply
    7,288.11x = 10,060.64 × 4,931.62
  4. Step 4: Simplify right side
    7,288.11x = 49,615,222.12
  5. Step 5: Solve for x
    x = 49,615,222.12/7,288.11
  6. Step 6: Final answer
    x = 6,807.69

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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.