Home / 4,653.51-6,421.71-2,557.63

Finding the Fourth Proportional to 4,653.51, 6,421.71 and 2,557.63

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Solution

The fourth proportional to 4,653.51, 6,421.71 and 2,557.63 is: 3,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.51 : 6,421.71 = 2,557.63 : x
  2. Step 2: Convert to fraction form
    4,653.51/6,421.71 = 2,557.63/x
  3. Step 3: Cross multiply
    4,653.51x = 6,421.71 × 2,557.63
  4. Step 4: Simplify right side
    4,653.51x = 16,424,358.15
  5. Step 5: Solve for x
    x = 16,424,358.15/4,653.51
  6. Step 6: Final answer
    x = 3,529.46

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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.