Home / 7,630.16-10,530.88-4,647.12

Finding the Fourth Proportional to 7,630.16, 10,530.88 and 4,647.12

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Solution

The fourth proportional to 7,630.16, 10,530.88 and 4,647.12 is: 6,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.16 : 10,530.88 = 4,647.12 : x
  2. Step 2: Convert to fraction form
    7,630.16/10,530.88 = 4,647.12/x
  3. Step 3: Cross multiply
    7,630.16x = 10,530.88 × 4,647.12
  4. Step 4: Simplify right side
    7,630.16x = 48,938,263.07
  5. Step 5: Solve for x
    x = 48,938,263.07/7,630.16
  6. Step 6: Final answer
    x = 6,413.79

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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.