Home / 7,616.39-10,510.53-4,631.67

Finding the Fourth Proportional to 7,616.39, 10,510.53 and 4,631.67

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Solution

The fourth proportional to 7,616.39, 10,510.53 and 4,631.67 is: 6,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.39 : 10,510.53 = 4,631.67 : x
  2. Step 2: Convert to fraction form
    7,616.39/10,510.53 = 4,631.67/x
  3. Step 3: Cross multiply
    7,616.39x = 10,510.53 × 4,631.67
  4. Step 4: Simplify right side
    7,616.39x = 48,681,306.49
  5. Step 5: Solve for x
    x = 48,681,306.49/7,616.39
  6. Step 6: Final answer
    x = 6,391.66

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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.