Home / 7,644.80-10,545.35-4,807.67

Finding the Fourth Proportional to 7,644.80, 10,545.35 and 4,807.67

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Solution

The fourth proportional to 7,644.80, 10,545.35 and 4,807.67 is: 6,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.80 : 10,545.35 = 4,807.67 : x
  2. Step 2: Convert to fraction form
    7,644.80/10,545.35 = 4,807.67/x
  3. Step 3: Cross multiply
    7,644.80x = 10,545.35 × 4,807.67
  4. Step 4: Simplify right side
    7,644.80x = 50,698,565.16
  5. Step 5: Solve for x
    x = 50,698,565.16/7,644.80
  6. Step 6: Final answer
    x = 6,631.77

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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.