Home / 4,653.53-6,421.79-2,557.61

Finding the Fourth Proportional to 4,653.53, 6,421.79 and 2,557.61

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Solution

The fourth proportional to 4,653.53, 6,421.79 and 2,557.61 is: 3,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.53 : 6,421.79 = 2,557.61 : x
  2. Step 2: Convert to fraction form
    4,653.53/6,421.79 = 2,557.61/x
  3. Step 3: Cross multiply
    4,653.53x = 6,421.79 × 2,557.61
  4. Step 4: Simplify right side
    4,653.53x = 16,424,402.21
  5. Step 5: Solve for x
    x = 16,424,402.21/4,653.53
  6. Step 6: Final answer
    x = 3,529.45

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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.