Home / 7,048.40-10,574.20-4,125.20

Finding the Fourth Proportional to 7,048.40, 10,574.20 and 4,125.20

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Solution

The fourth proportional to 7,048.40, 10,574.20 and 4,125.20 is: 6,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.40 : 10,574.20 = 4,125.20 : x
  2. Step 2: Convert to fraction form
    7,048.40/10,574.20 = 4,125.20/x
  3. Step 3: Cross multiply
    7,048.40x = 10,574.20 × 4,125.20
  4. Step 4: Simplify right side
    7,048.40x = 43,620,689.84
  5. Step 5: Solve for x
    x = 43,620,689.84/7,048.40
  6. Step 6: Final answer
    x = 6,188.74

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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.