Home / 4,643.21-6,407.59-2,518.74

Finding the Fourth Proportional to 4,643.21, 6,407.59 and 2,518.74

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Solution

The fourth proportional to 4,643.21, 6,407.59 and 2,518.74 is: 3,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.21 : 6,407.59 = 2,518.74 : x
  2. Step 2: Convert to fraction form
    4,643.21/6,407.59 = 2,518.74/x
  3. Step 3: Cross multiply
    4,643.21x = 6,407.59 × 2,518.74
  4. Step 4: Simplify right side
    4,643.21x = 16,139,046.94
  5. Step 5: Solve for x
    x = 16,139,046.94/4,643.21
  6. Step 6: Final answer
    x = 3,475.84

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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.