Home / 4,690.29-7,032.83-1,918.91

Finding the Fourth Proportional to 4,690.29, 7,032.83 and 1,918.91

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Solution

The fourth proportional to 4,690.29, 7,032.83 and 1,918.91 is: 2,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.29 : 7,032.83 = 1,918.91 : x
  2. Step 2: Convert to fraction form
    4,690.29/7,032.83 = 1,918.91/x
  3. Step 3: Cross multiply
    4,690.29x = 7,032.83 × 1,918.91
  4. Step 4: Simplify right side
    4,690.29x = 13,495,337.45
  5. Step 5: Solve for x
    x = 13,495,337.45/4,690.29
  6. Step 6: Final answer
    x = 2,877.29

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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.