Home / 8,782.79-12,116.18-5,054.63

Finding the Fourth Proportional to 8,782.79, 12,116.18 and 5,054.63

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Solution

The fourth proportional to 8,782.79, 12,116.18 and 5,054.63 is: 6,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.79 : 12,116.18 = 5,054.63 : x
  2. Step 2: Convert to fraction form
    8,782.79/12,116.18 = 5,054.63/x
  3. Step 3: Cross multiply
    8,782.79x = 12,116.18 × 5,054.63
  4. Step 4: Simplify right side
    8,782.79x = 61,242,758.97
  5. Step 5: Solve for x
    x = 61,242,758.97/8,782.79
  6. Step 6: Final answer
    x = 6,973.05

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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.