Home / 8,762.42-12,071.40-6,105.08

Finding the Fourth Proportional to 8,762.42, 12,071.40 and 6,105.08

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Solution

The fourth proportional to 8,762.42, 12,071.40 and 6,105.08 is: 8,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.42 : 12,071.40 = 6,105.08 : x
  2. Step 2: Convert to fraction form
    8,762.42/12,071.40 = 6,105.08/x
  3. Step 3: Cross multiply
    8,762.42x = 12,071.40 × 6,105.08
  4. Step 4: Simplify right side
    8,762.42x = 73,696,862.71
  5. Step 5: Solve for x
    x = 73,696,862.71/8,762.42
  6. Step 6: Final answer
    x = 8,410.56

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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.