Home / 7,641.45-10,545.63-4,285.35

Finding the Fourth Proportional to 7,641.45, 10,545.63 and 4,285.35

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Solution

The fourth proportional to 7,641.45, 10,545.63 and 4,285.35 is: 5,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.45 : 10,545.63 = 4,285.35 : x
  2. Step 2: Convert to fraction form
    7,641.45/10,545.63 = 4,285.35/x
  3. Step 3: Cross multiply
    7,641.45x = 10,545.63 × 4,285.35
  4. Step 4: Simplify right side
    7,641.45x = 45,191,715.52
  5. Step 5: Solve for x
    x = 45,191,715.52/7,641.45
  6. Step 6: Final answer
    x = 5,914.02

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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.