Home / 9,187.16-12,678.54-5,410.58

Finding the Fourth Proportional to 9,187.16, 12,678.54 and 5,410.58

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Solution

The fourth proportional to 9,187.16, 12,678.54 and 5,410.58 is: 7,466.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.16 : 12,678.54 = 5,410.58 : x
  2. Step 2: Convert to fraction form
    9,187.16/12,678.54 = 5,410.58/x
  3. Step 3: Cross multiply
    9,187.16x = 12,678.54 × 5,410.58
  4. Step 4: Simplify right side
    9,187.16x = 68,598,254.95
  5. Step 5: Solve for x
    x = 68,598,254.95/9,187.16
  6. Step 6: Final answer
    x = 7,466.75

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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.