Home / 7,664.19-10,574.67-4,678.92

Finding the Fourth Proportional to 7,664.19, 10,574.67 and 4,678.92

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Solution

The fourth proportional to 7,664.19, 10,574.67 and 4,678.92 is: 6,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.19 : 10,574.67 = 4,678.92 : x
  2. Step 2: Convert to fraction form
    7,664.19/10,574.67 = 4,678.92/x
  3. Step 3: Cross multiply
    7,664.19x = 10,574.67 × 4,678.92
  4. Step 4: Simplify right side
    7,664.19x = 49,478,034.96
  5. Step 5: Solve for x
    x = 49,478,034.96/7,664.19
  6. Step 6: Final answer
    x = 6,455.74

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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.