Home / 4,818.70-7,228.81-2,045.39

Finding the Fourth Proportional to 4,818.70, 7,228.81 and 2,045.39

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Solution

The fourth proportional to 4,818.70, 7,228.81 and 2,045.39 is: 3,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.70 : 7,228.81 = 2,045.39 : x
  2. Step 2: Convert to fraction form
    4,818.70/7,228.81 = 2,045.39/x
  3. Step 3: Cross multiply
    4,818.70x = 7,228.81 × 2,045.39
  4. Step 4: Simplify right side
    4,818.70x = 14,785,702.10
  5. Step 5: Solve for x
    x = 14,785,702.10/4,818.70
  6. Step 6: Final answer
    x = 3,068.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.