Home / 7,622.55-10,518.96-4,436.40

Finding the Fourth Proportional to 7,622.55, 10,518.96 and 4,436.40

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Solution

The fourth proportional to 7,622.55, 10,518.96 and 4,436.40 is: 6,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.55 : 10,518.96 = 4,436.40 : x
  2. Step 2: Convert to fraction form
    7,622.55/10,518.96 = 4,436.40/x
  3. Step 3: Cross multiply
    7,622.55x = 10,518.96 × 4,436.40
  4. Step 4: Simplify right side
    7,622.55x = 46,666,314.14
  5. Step 5: Solve for x
    x = 46,666,314.14/7,622.55
  6. Step 6: Final answer
    x = 6,122.14

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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.