Home / 6,870.45-10,302.20-4,894.95

Finding the Fourth Proportional to 6,870.45, 10,302.20 and 4,894.95

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Solution

The fourth proportional to 6,870.45, 10,302.20 and 4,894.95 is: 7,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.45 : 10,302.20 = 4,894.95 : x
  2. Step 2: Convert to fraction form
    6,870.45/10,302.20 = 4,894.95/x
  3. Step 3: Cross multiply
    6,870.45x = 10,302.20 × 4,894.95
  4. Step 4: Simplify right side
    6,870.45x = 50,428,753.89
  5. Step 5: Solve for x
    x = 50,428,753.89/6,870.45
  6. Step 6: Final answer
    x = 7,339.95

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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.