Home / 8,008.04-12,009.63-4,720.25

Finding the Fourth Proportional to 8,008.04, 12,009.63 and 4,720.25

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Solution

The fourth proportional to 8,008.04, 12,009.63 and 4,720.25 is: 7,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.04 : 12,009.63 = 4,720.25 : x
  2. Step 2: Convert to fraction form
    8,008.04/12,009.63 = 4,720.25/x
  3. Step 3: Cross multiply
    8,008.04x = 12,009.63 × 4,720.25
  4. Step 4: Simplify right side
    8,008.04x = 56,688,456.01
  5. Step 5: Solve for x
    x = 56,688,456.01/8,008.04
  6. Step 6: Final answer
    x = 7,078.94

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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.