Home / 7,688.66-10,615.48-4,545.86

Finding the Fourth Proportional to 7,688.66, 10,615.48 and 4,545.86

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Solution

The fourth proportional to 7,688.66, 10,615.48 and 4,545.86 is: 6,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.66 : 10,615.48 = 4,545.86 : x
  2. Step 2: Convert to fraction form
    7,688.66/10,615.48 = 4,545.86/x
  3. Step 3: Cross multiply
    7,688.66x = 10,615.48 × 4,545.86
  4. Step 4: Simplify right side
    7,688.66x = 48,256,485.91
  5. Step 5: Solve for x
    x = 48,256,485.91/7,688.66
  6. Step 6: Final answer
    x = 6,276.32

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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.