Home / 4,653.13-6,421.32-2,557.39

Finding the Fourth Proportional to 4,653.13, 6,421.32 and 2,557.39

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Solution

The fourth proportional to 4,653.13, 6,421.32 and 2,557.39 is: 3,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.13 : 6,421.32 = 2,557.39 : x
  2. Step 2: Convert to fraction form
    4,653.13/6,421.32 = 2,557.39/x
  3. Step 3: Cross multiply
    4,653.13x = 6,421.32 × 2,557.39
  4. Step 4: Simplify right side
    4,653.13x = 16,421,774.66
  5. Step 5: Solve for x
    x = 16,421,774.66/4,653.13
  6. Step 6: Final answer
    x = 3,529.19

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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.