Home / 8,709.32-12,018.92-4,730.47

Finding the Fourth Proportional to 8,709.32, 12,018.92 and 4,730.47

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Solution

The fourth proportional to 8,709.32, 12,018.92 and 4,730.47 is: 6,528.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.32 : 12,018.92 = 4,730.47 : x
  2. Step 2: Convert to fraction form
    8,709.32/12,018.92 = 4,730.47/x
  3. Step 3: Cross multiply
    8,709.32x = 12,018.92 × 4,730.47
  4. Step 4: Simplify right side
    8,709.32x = 56,855,086.79
  5. Step 5: Solve for x
    x = 56,855,086.79/8,709.32
  6. Step 6: Final answer
    x = 6,528.07

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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.