Home / 4,702.95-6,489.81-2,607.21

Finding the Fourth Proportional to 4,702.95, 6,489.81 and 2,607.21

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Solution

The fourth proportional to 4,702.95, 6,489.81 and 2,607.21 is: 3,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.95 : 6,489.81 = 2,607.21 : x
  2. Step 2: Convert to fraction form
    4,702.95/6,489.81 = 2,607.21/x
  3. Step 3: Cross multiply
    4,702.95x = 6,489.81 × 2,607.21
  4. Step 4: Simplify right side
    4,702.95x = 16,920,297.53
  5. Step 5: Solve for x
    x = 16,920,297.53/4,702.95
  6. Step 6: Final answer
    x = 3,597.81

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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.