Home / 8,445.03-12,666.36-2,898.28

Finding the Fourth Proportional to 8,445.03, 12,666.36 and 2,898.28

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Solution

The fourth proportional to 8,445.03, 12,666.36 and 2,898.28 is: 4,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.03 : 12,666.36 = 2,898.28 : x
  2. Step 2: Convert to fraction form
    8,445.03/12,666.36 = 2,898.28/x
  3. Step 3: Cross multiply
    8,445.03x = 12,666.36 × 2,898.28
  4. Step 4: Simplify right side
    8,445.03x = 36,710,657.86
  5. Step 5: Solve for x
    x = 36,710,657.86/8,445.03
  6. Step 6: Final answer
    x = 4,347.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.