Home / 8,709.03-12,018.46-4,730.21

Finding the Fourth Proportional to 8,709.03, 12,018.46 and 4,730.21

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Solution

The fourth proportional to 8,709.03, 12,018.46 and 4,730.21 is: 6,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.03 : 12,018.46 = 4,730.21 : x
  2. Step 2: Convert to fraction form
    8,709.03/12,018.46 = 4,730.21/x
  3. Step 3: Cross multiply
    8,709.03x = 12,018.46 × 4,730.21
  4. Step 4: Simplify right side
    8,709.03x = 56,849,779.58
  5. Step 5: Solve for x
    x = 56,849,779.58/8,709.03
  6. Step 6: Final answer
    x = 6,527.69

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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.