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Finding the Fourth Proportional to 8,703.02, 12,009.84 and 4,724.05

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Solution

The fourth proportional to 8,703.02, 12,009.84 and 4,724.05 is: 6,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.02 : 12,009.84 = 4,724.05 : x
  2. Step 2: Convert to fraction form
    8,703.02/12,009.84 = 4,724.05/x
  3. Step 3: Cross multiply
    8,703.02x = 12,009.84 × 4,724.05
  4. Step 4: Simplify right side
    8,703.02x = 56,735,066.44
  5. Step 5: Solve for x
    x = 56,735,066.44/8,703.02
  6. Step 6: Final answer
    x = 6,519.01

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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.