Home / 4,653.38-6,421.77-2,557.50

Finding the Fourth Proportional to 4,653.38, 6,421.77 and 2,557.50

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Solution

The fourth proportional to 4,653.38, 6,421.77 and 2,557.50 is: 3,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.38 : 6,421.77 = 2,557.50 : x
  2. Step 2: Convert to fraction form
    4,653.38/6,421.77 = 2,557.50/x
  3. Step 3: Cross multiply
    4,653.38x = 6,421.77 × 2,557.50
  4. Step 4: Simplify right side
    4,653.38x = 16,423,676.78
  5. Step 5: Solve for x
    x = 16,423,676.78/4,653.38
  6. Step 6: Final answer
    x = 3,529.41

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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.