Home / 7,746.58-10,690.23-4,209.76

Finding the Fourth Proportional to 7,746.58, 10,690.23 and 4,209.76

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Solution

The fourth proportional to 7,746.58, 10,690.23 and 4,209.76 is: 5,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.58 : 10,690.23 = 4,209.76 : x
  2. Step 2: Convert to fraction form
    7,746.58/10,690.23 = 4,209.76/x
  3. Step 3: Cross multiply
    7,746.58x = 10,690.23 × 4,209.76
  4. Step 4: Simplify right side
    7,746.58x = 45,003,302.64
  5. Step 5: Solve for x
    x = 45,003,302.64/7,746.58
  6. Step 6: Final answer
    x = 5,809.44

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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.