Home / 8,852.79-12,215.30-5,316.08

Finding the Fourth Proportional to 8,852.79, 12,215.30 and 5,316.08

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Solution

The fourth proportional to 8,852.79, 12,215.30 and 5,316.08 is: 7,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.79 : 12,215.30 = 5,316.08 : x
  2. Step 2: Convert to fraction form
    8,852.79/12,215.30 = 5,316.08/x
  3. Step 3: Cross multiply
    8,852.79x = 12,215.30 × 5,316.08
  4. Step 4: Simplify right side
    8,852.79x = 64,937,424.37
  5. Step 5: Solve for x
    x = 64,937,424.37/8,852.79
  6. Step 6: Final answer
    x = 7,335.25

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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.