Home / 6,430.03-9,643.05-2,732.20

Finding the Fourth Proportional to 6,430.03, 9,643.05 and 2,732.20

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Solution

The fourth proportional to 6,430.03, 9,643.05 and 2,732.20 is: 4,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.03 : 9,643.05 = 2,732.20 : x
  2. Step 2: Convert to fraction form
    6,430.03/9,643.05 = 2,732.20/x
  3. Step 3: Cross multiply
    6,430.03x = 9,643.05 × 2,732.20
  4. Step 4: Simplify right side
    6,430.03x = 26,346,741.21
  5. Step 5: Solve for x
    x = 26,346,741.21/6,430.03
  6. Step 6: Final answer
    x = 4,097.45

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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.