Home / 8,746.87-12,063.85-5,603.35

Finding the Fourth Proportional to 8,746.87, 12,063.85 and 5,603.35

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Solution

The fourth proportional to 8,746.87, 12,063.85 and 5,603.35 is: 7,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.87 : 12,063.85 = 5,603.35 : x
  2. Step 2: Convert to fraction form
    8,746.87/12,063.85 = 5,603.35/x
  3. Step 3: Cross multiply
    8,746.87x = 12,063.85 × 5,603.35
  4. Step 4: Simplify right side
    8,746.87x = 67,597,973.90
  5. Step 5: Solve for x
    x = 67,597,973.90/8,746.87
  6. Step 6: Final answer
    x = 7,728.25

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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.