Home / 7,353.88-10,148.20-4,210.28

Finding the Fourth Proportional to 7,353.88, 10,148.20 and 4,210.28

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Solution

The fourth proportional to 7,353.88, 10,148.20 and 4,210.28 is: 5,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.88 : 10,148.20 = 4,210.28 : x
  2. Step 2: Convert to fraction form
    7,353.88/10,148.20 = 4,210.28/x
  3. Step 3: Cross multiply
    7,353.88x = 10,148.20 × 4,210.28
  4. Step 4: Simplify right side
    7,353.88x = 42,726,763.50
  5. Step 5: Solve for x
    x = 42,726,763.50/7,353.88
  6. Step 6: Final answer
    x = 5,810.10

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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.