Home / 5,430.01-8,150.77-4,809.34

Finding the Fourth Proportional to 5,430.01, 8,150.77 and 4,809.34

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Solution

The fourth proportional to 5,430.01, 8,150.77 and 4,809.34 is: 7,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.01 : 8,150.77 = 4,809.34 : x
  2. Step 2: Convert to fraction form
    5,430.01/8,150.77 = 4,809.34/x
  3. Step 3: Cross multiply
    5,430.01x = 8,150.77 × 4,809.34
  4. Step 4: Simplify right side
    5,430.01x = 39,199,810.81
  5. Step 5: Solve for x
    x = 39,199,810.81/5,430.01
  6. Step 6: Final answer
    x = 7,219.10

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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.