Home / 7,802.49-10,766.61-4,615.91

Finding the Fourth Proportional to 7,802.49, 10,766.61 and 4,615.91

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Solution

The fourth proportional to 7,802.49, 10,766.61 and 4,615.91 is: 6,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802.49 : 10,766.61 = 4,615.91 : x
  2. Step 2: Convert to fraction form
    7,802.49/10,766.61 = 4,615.91/x
  3. Step 3: Cross multiply
    7,802.49x = 10,766.61 × 4,615.91
  4. Step 4: Simplify right side
    7,802.49x = 49,697,625.85
  5. Step 5: Solve for x
    x = 49,697,625.85/7,802.49
  6. Step 6: Final answer
    x = 6,369.46

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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.