Home / 6,417.63-8,853.71-5,085.99

Finding the Fourth Proportional to 6,417.63, 8,853.71 and 5,085.99

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Solution

The fourth proportional to 6,417.63, 8,853.71 and 5,085.99 is: 7,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.63 : 8,853.71 = 5,085.99 : x
  2. Step 2: Convert to fraction form
    6,417.63/8,853.71 = 5,085.99/x
  3. Step 3: Cross multiply
    6,417.63x = 8,853.71 × 5,085.99
  4. Step 4: Simplify right side
    6,417.63x = 45,029,855.09
  5. Step 5: Solve for x
    x = 45,029,855.09/6,417.63
  6. Step 6: Final answer
    x = 7,016.59

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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.