Home / 4,653.15-6,421.28-2,557.23

Finding the Fourth Proportional to 4,653.15, 6,421.28 and 2,557.23

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Solution

The fourth proportional to 4,653.15, 6,421.28 and 2,557.23 is: 3,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.15 : 6,421.28 = 2,557.23 : x
  2. Step 2: Convert to fraction form
    4,653.15/6,421.28 = 2,557.23/x
  3. Step 3: Cross multiply
    4,653.15x = 6,421.28 × 2,557.23
  4. Step 4: Simplify right side
    4,653.15x = 16,420,677.07
  5. Step 5: Solve for x
    x = 16,420,677.07/4,653.15
  6. Step 6: Final answer
    x = 3,528.94

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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.