Home / 8,927.40-12,319.80-4,948.80

Finding the Fourth Proportional to 8,927.40, 12,319.80 and 4,948.80

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Solution

The fourth proportional to 8,927.40, 12,319.80 and 4,948.80 is: 6,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.40 : 12,319.80 = 4,948.80 : x
  2. Step 2: Convert to fraction form
    8,927.40/12,319.80 = 4,948.80/x
  3. Step 3: Cross multiply
    8,927.40x = 12,319.80 × 4,948.80
  4. Step 4: Simplify right side
    8,927.40x = 60,968,226.24
  5. Step 5: Solve for x
    x = 60,968,226.24/8,927.40
  6. Step 6: Final answer
    x = 6,829.34

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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.