Home / 8,964.36-12,370.73-4,985.69

Finding the Fourth Proportional to 8,964.36, 12,370.73 and 4,985.69

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Solution

The fourth proportional to 8,964.36, 12,370.73 and 4,985.69 is: 6,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.36 : 12,370.73 = 4,985.69 : x
  2. Step 2: Convert to fraction form
    8,964.36/12,370.73 = 4,985.69/x
  3. Step 3: Cross multiply
    8,964.36x = 12,370.73 × 4,985.69
  4. Step 4: Simplify right side
    8,964.36x = 61,676,538.07
  5. Step 5: Solve for x
    x = 61,676,538.07/8,964.36
  6. Step 6: Final answer
    x = 6,880.19

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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.