Home / 4,830.19-6,665.53-2,840.29

Finding the Fourth Proportional to 4,830.19, 6,665.53 and 2,840.29

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Solution

The fourth proportional to 4,830.19, 6,665.53 and 2,840.29 is: 3,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.19 : 6,665.53 = 2,840.29 : x
  2. Step 2: Convert to fraction form
    4,830.19/6,665.53 = 2,840.29/x
  3. Step 3: Cross multiply
    4,830.19x = 6,665.53 × 2,840.29
  4. Step 4: Simplify right side
    4,830.19x = 18,932,038.20
  5. Step 5: Solve for x
    x = 18,932,038.20/4,830.19
  6. Step 6: Final answer
    x = 3,919.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.