Home / 7,062.40-10,574.08-3,582.72

Finding the Fourth Proportional to 7,062.40, 10,574.08 and 3,582.72

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Solution

The fourth proportional to 7,062.40, 10,574.08 and 3,582.72 is: 5,364.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,062.40 : 10,574.08 = 3,582.72 : x
  2. Step 2: Convert to fraction form
    7,062.40/10,574.08 = 3,582.72/x
  3. Step 3: Cross multiply
    7,062.40x = 10,574.08 × 3,582.72
  4. Step 4: Simplify right side
    7,062.40x = 37,883,967.90
  5. Step 5: Solve for x
    x = 37,883,967.90/7,062.40
  6. Step 6: Final answer
    x = 5,364.18

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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.