Home / 6,720.13-10,085.45-4,654.63

Finding the Fourth Proportional to 6,720.13, 10,085.45 and 4,654.63

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Solution

The fourth proportional to 6,720.13, 10,085.45 and 4,654.63 is: 6,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.13 : 10,085.45 = 4,654.63 : x
  2. Step 2: Convert to fraction form
    6,720.13/10,085.45 = 4,654.63/x
  3. Step 3: Cross multiply
    6,720.13x = 10,085.45 × 4,654.63
  4. Step 4: Simplify right side
    6,720.13x = 46,944,004.56
  5. Step 5: Solve for x
    x = 46,944,004.56/6,720.13
  6. Step 6: Final answer
    x = 6,985.58

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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.