Home / 6,495.20-9,742.80-2,602.40

Finding the Fourth Proportional to 6,495.20, 9,742.80 and 2,602.40

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Solution

The fourth proportional to 6,495.20, 9,742.80 and 2,602.40 is: 3,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.20 : 9,742.80 = 2,602.40 : x
  2. Step 2: Convert to fraction form
    6,495.20/9,742.80 = 2,602.40/x
  3. Step 3: Cross multiply
    6,495.20x = 9,742.80 × 2,602.40
  4. Step 4: Simplify right side
    6,495.20x = 25,354,662.72
  5. Step 5: Solve for x
    x = 25,354,662.72/6,495.20
  6. Step 6: Final answer
    x = 3,903.60

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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.