Home / 8,898.93-12,280.41-4,920.35

Finding the Fourth Proportional to 8,898.93, 12,280.41 and 4,920.35

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Solution

The fourth proportional to 8,898.93, 12,280.41 and 4,920.35 is: 6,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.93 : 12,280.41 = 4,920.35 : x
  2. Step 2: Convert to fraction form
    8,898.93/12,280.41 = 4,920.35/x
  3. Step 3: Cross multiply
    8,898.93x = 12,280.41 × 4,920.35
  4. Step 4: Simplify right side
    8,898.93x = 60,423,853.94
  5. Step 5: Solve for x
    x = 60,423,853.94/8,898.93
  6. Step 6: Final answer
    x = 6,790.01

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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.