Home / 4,785.08-6,603.54-2,689.40

Finding the Fourth Proportional to 4,785.08, 6,603.54 and 2,689.40

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Solution

The fourth proportional to 4,785.08, 6,603.54 and 2,689.40 is: 3,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.08 : 6,603.54 = 2,689.40 : x
  2. Step 2: Convert to fraction form
    4,785.08/6,603.54 = 2,689.40/x
  3. Step 3: Cross multiply
    4,785.08x = 6,603.54 × 2,689.40
  4. Step 4: Simplify right side
    4,785.08x = 17,759,560.48
  5. Step 5: Solve for x
    x = 17,759,560.48/4,785.08
  6. Step 6: Final answer
    x = 3,711.44

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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.