Home / 8,539.02-11,783.88-4,762.40

Finding the Fourth Proportional to 8,539.02, 11,783.88 and 4,762.40

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Solution

The fourth proportional to 8,539.02, 11,783.88 and 4,762.40 is: 6,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.02 : 11,783.88 = 4,762.40 : x
  2. Step 2: Convert to fraction form
    8,539.02/11,783.88 = 4,762.40/x
  3. Step 3: Cross multiply
    8,539.02x = 11,783.88 × 4,762.40
  4. Step 4: Simplify right side
    8,539.02x = 56,119,550.11
  5. Step 5: Solve for x
    x = 56,119,550.11/8,539.02
  6. Step 6: Final answer
    x = 6,572.13

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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.