Home / 6,085.72-9,129.48-1,924.80

Finding the Fourth Proportional to 6,085.72, 9,129.48 and 1,924.80

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Solution

The fourth proportional to 6,085.72, 9,129.48 and 1,924.80 is: 2,887.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,085.72 : 9,129.48 = 1,924.80 : x
  2. Step 2: Convert to fraction form
    6,085.72/9,129.48 = 1,924.80/x
  3. Step 3: Cross multiply
    6,085.72x = 9,129.48 × 1,924.80
  4. Step 4: Simplify right side
    6,085.72x = 17,572,423.10
  5. Step 5: Solve for x
    x = 17,572,423.10/6,085.72
  6. Step 6: Final answer
    x = 2,887.48

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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.