Home / 7,766.34-10,721.16-4,578.63

Finding the Fourth Proportional to 7,766.34, 10,721.16 and 4,578.63

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Solution

The fourth proportional to 7,766.34, 10,721.16 and 4,578.63 is: 6,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.34 : 10,721.16 = 4,578.63 : x
  2. Step 2: Convert to fraction form
    7,766.34/10,721.16 = 4,578.63/x
  3. Step 3: Cross multiply
    7,766.34x = 10,721.16 × 4,578.63
  4. Step 4: Simplify right side
    7,766.34x = 49,088,224.81
  5. Step 5: Solve for x
    x = 49,088,224.81/7,766.34
  6. Step 6: Final answer
    x = 6,320.64

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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.