Home / 5,623.23-8,421.72-4,445.32

Finding the Fourth Proportional to 5,623.23, 8,421.72 and 4,445.32

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Solution

The fourth proportional to 5,623.23, 8,421.72 and 4,445.32 is: 6,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.23 : 8,421.72 = 4,445.32 : x
  2. Step 2: Convert to fraction form
    5,623.23/8,421.72 = 4,445.32/x
  3. Step 3: Cross multiply
    5,623.23x = 8,421.72 × 4,445.32
  4. Step 4: Simplify right side
    5,623.23x = 37,437,240.35
  5. Step 5: Solve for x
    x = 37,437,240.35/5,623.23
  6. Step 6: Final answer
    x = 6,657.60

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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.