Home / 8,536.80-11,784.48-5,558.40

Finding the Fourth Proportional to 8,536.80, 11,784.48 and 5,558.40

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Solution

The fourth proportional to 8,536.80, 11,784.48 and 5,558.40 is: 7,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.80 : 11,784.48 = 5,558.40 : x
  2. Step 2: Convert to fraction form
    8,536.80/11,784.48 = 5,558.40/x
  3. Step 3: Cross multiply
    8,536.80x = 11,784.48 × 5,558.40
  4. Step 4: Simplify right side
    8,536.80x = 65,502,853.63
  5. Step 5: Solve for x
    x = 65,502,853.63/8,536.80
  6. Step 6: Final answer
    x = 7,673.00

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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.