Home / 4,545.90-6,818.76-1,258.95

Finding the Fourth Proportional to 4,545.90, 6,818.76 and 1,258.95

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Solution

The fourth proportional to 4,545.90, 6,818.76 and 1,258.95 is: 1,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.90 : 6,818.76 = 1,258.95 : x
  2. Step 2: Convert to fraction form
    4,545.90/6,818.76 = 1,258.95/x
  3. Step 3: Cross multiply
    4,545.90x = 6,818.76 × 1,258.95
  4. Step 4: Simplify right side
    4,545.90x = 8,584,477.90
  5. Step 5: Solve for x
    x = 8,584,477.90/4,545.90
  6. Step 6: Final answer
    x = 1,888.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.