Home / 7,864.32-10,846.68-5,739.54

Finding the Fourth Proportional to 7,864.32, 10,846.68 and 5,739.54

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Solution

The fourth proportional to 7,864.32, 10,846.68 and 5,739.54 is: 7,916.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.32 : 10,846.68 = 5,739.54 : x
  2. Step 2: Convert to fraction form
    7,864.32/10,846.68 = 5,739.54/x
  3. Step 3: Cross multiply
    7,864.32x = 10,846.68 × 5,739.54
  4. Step 4: Simplify right side
    7,864.32x = 62,254,953.73
  5. Step 5: Solve for x
    x = 62,254,953.73/7,864.32
  6. Step 6: Final answer
    x = 7,916.13

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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.