Home / 7,353.09-10,148.64-4,209.29

Finding the Fourth Proportional to 7,353.09, 10,148.64 and 4,209.29

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Solution

The fourth proportional to 7,353.09, 10,148.64 and 4,209.29 is: 5,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.09 : 10,148.64 = 4,209.29 : x
  2. Step 2: Convert to fraction form
    7,353.09/10,148.64 = 4,209.29/x
  3. Step 3: Cross multiply
    7,353.09x = 10,148.64 × 4,209.29
  4. Step 4: Simplify right side
    7,353.09x = 42,718,518.12
  5. Step 5: Solve for x
    x = 42,718,518.12/7,353.09
  6. Step 6: Final answer
    x = 5,809.60

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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.