Home / 7,815.08-10,784.36-4,457.44

Finding the Fourth Proportional to 7,815.08, 10,784.36 and 4,457.44

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Solution

The fourth proportional to 7,815.08, 10,784.36 and 4,457.44 is: 6,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.08 : 10,784.36 = 4,457.44 : x
  2. Step 2: Convert to fraction form
    7,815.08/10,784.36 = 4,457.44/x
  3. Step 3: Cross multiply
    7,815.08x = 10,784.36 × 4,457.44
  4. Step 4: Simplify right side
    7,815.08x = 48,070,637.64
  5. Step 5: Solve for x
    x = 48,070,637.64/7,815.08
  6. Step 6: Final answer
    x = 6,151.01

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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.