Home / 7,070.81-10,604.46-2,390.71

Finding the Fourth Proportional to 7,070.81, 10,604.46 and 2,390.71

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Solution

The fourth proportional to 7,070.81, 10,604.46 and 2,390.71 is: 3,585.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.81 : 10,604.46 = 2,390.71 : x
  2. Step 2: Convert to fraction form
    7,070.81/10,604.46 = 2,390.71/x
  3. Step 3: Cross multiply
    7,070.81x = 10,604.46 × 2,390.71
  4. Step 4: Simplify right side
    7,070.81x = 25,352,188.57
  5. Step 5: Solve for x
    x = 25,352,188.57/7,070.81
  6. Step 6: Final answer
    x = 3,585.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.