Home / 4,521.83-6,783.38-1,402.08

Finding the Fourth Proportional to 4,521.83, 6,783.38 and 1,402.08

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Solution

The fourth proportional to 4,521.83, 6,783.38 and 1,402.08 is: 2,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.83 : 6,783.38 = 1,402.08 : x
  2. Step 2: Convert to fraction form
    4,521.83/6,783.38 = 1,402.08/x
  3. Step 3: Cross multiply
    4,521.83x = 6,783.38 × 1,402.08
  4. Step 4: Simplify right side
    4,521.83x = 9,510,834.42
  5. Step 5: Solve for x
    x = 9,510,834.42/4,521.83
  6. Step 6: Final answer
    x = 2,103.32

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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.