Home / 7,549.58-10,417.74-4,405.16

Finding the Fourth Proportional to 7,549.58, 10,417.74 and 4,405.16

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Solution

The fourth proportional to 7,549.58, 10,417.74 and 4,405.16 is: 6,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.58 : 10,417.74 = 4,405.16 : x
  2. Step 2: Convert to fraction form
    7,549.58/10,417.74 = 4,405.16/x
  3. Step 3: Cross multiply
    7,549.58x = 10,417.74 × 4,405.16
  4. Step 4: Simplify right side
    7,549.58x = 45,891,811.54
  5. Step 5: Solve for x
    x = 45,891,811.54/7,549.58
  6. Step 6: Final answer
    x = 6,078.72

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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.