Home / 7,101.02-10,645.32-2,938.40

Finding the Fourth Proportional to 7,101.02, 10,645.32 and 2,938.40

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Solution

The fourth proportional to 7,101.02, 10,645.32 and 2,938.40 is: 4,405.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.02 : 10,645.32 = 2,938.40 : x
  2. Step 2: Convert to fraction form
    7,101.02/10,645.32 = 2,938.40/x
  3. Step 3: Cross multiply
    7,101.02x = 10,645.32 × 2,938.40
  4. Step 4: Simplify right side
    7,101.02x = 31,280,208.29
  5. Step 5: Solve for x
    x = 31,280,208.29/7,101.02
  6. Step 6: Final answer
    x = 4,405.03

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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.