Home / 8,987.04-13,484.25-4,055.40

Finding the Fourth Proportional to 8,987.04, 13,484.25 and 4,055.40

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Solution

The fourth proportional to 8,987.04, 13,484.25 and 4,055.40 is: 6,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.04 : 13,484.25 = 4,055.40 : x
  2. Step 2: Convert to fraction form
    8,987.04/13,484.25 = 4,055.40/x
  3. Step 3: Cross multiply
    8,987.04x = 13,484.25 × 4,055.40
  4. Step 4: Simplify right side
    8,987.04x = 54,684,027.45
  5. Step 5: Solve for x
    x = 54,684,027.45/8,987.04
  6. Step 6: Final answer
    x = 6,084.77

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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.